Shortest distance between Sidney and Great Falls is 333.02 miles (535.95 km).
Flight distance from Sidney, MT to Great Falls, MT is 333.02 miles. Estimated flight time is 00 hours 45 minutes.
It takes 00 hours 41 minutes to travel from Sidney to Great Falls with an airplane (average speed of 550 miles).
The driving distance from Sidney, Montana to Great Falls, Montana is: 376.14 miles (605.34 km) by car.
Driving from Sidney to Great Falls will take approximately 06 hours 09 minutes.
The distance between Sidney and Great Falls is 605 km if you choose to drive by road. You can go 06 hours 43 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Sidney and Great Falls. The current time is 16:23:09.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||12 hours 31 minutes|
|40 mph (64.37 km/h)||09 hours 24 minutes|
|50 mph (80.47 km/h)||07 hours 31 minutes|
|60 mph (96.56 km/h)||06 hours 16 minutes|
|70 mph (112.65 km/h)||05 hours 22 minutes|
|75 mph (120.7 km/h)||05 hours 00 minutes|
|80 mph (128.75 km/h)||04 hours 41 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 50.24 liters (13.27 gallon) of gas to cover the route between Sidney and Great Falls.
The estimated cost of gas to go from Sidney to Great Falls is $54.45 (diesel $64.36).
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price per gallon of daily gas for calculations is $4.102 (Diesel $4.849) /gallon. Last changed prices on February 05, 2023.
The place names are translated into coordinates to approximate the distance between Sidney and Great Falls (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.